Spin nematic states in antiferromagnets containing ferromagnetic bonds
Sizanov, Alexey · Syromyatnikov, Arseny
Original · EN
The majority of recent works devoted to spin nematic phases deal with either frustrated magnets or with those described by Hamiltonians with large non-Heisenberg terms. We show in the present study that nonfrustrated antiferromagnets (AFs) containing ferromagnetic (FM) bonds can show nematic phases in a strong magnetic field. Among the particular spin systems discussed are a ladder with FM rungs, two AF layers coupled ferromagnetically, a chain containing alternating AF and FM bonds, and an AF anisotropic spin-1 chain.
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